The present invention relates to a method, apparatus and program for calculating a proximity radiation treatment plan, and a proximity radiation treatment apparatus. Acquiring, by the computer, the number of irradiation points based on the irradiation information (S200; obtaining the number of irradiation points); Acquiring, by the computer, target area information from the patient body model generated based on the medical image data of the patient (S400; target area information obtaining step); And a treatment plan calculating step (S600) of calculating, by the computer, the irradiation spot to which the radiation is irradiated and the irradiation time length of each irradiation spot based on the irradiation information and the target region information.
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